public override async Task OnEntry(Episode owner, IState <Episode, EpisodeEvent> fromState, IEventProcessor <Episode, EpisodeEvent> stateMachine)
{
owner.NotifyPropertyChanged(() => owner.State);
Progress <IDownloader> progress = new Progress <IDownloader>((downloader) =>
{
ulong totalBytesToReceive = downloader.GetTotalBytes();
double at = 0;
if (totalBytesToReceive > 0)
{
at = (double)downloader.GetBytesDownloaded() / totalBytesToReceive;
}
owner.DownloadProgress = at;
});
try
{
IDownloader downloader = owner.m_DownloadService.CreateDownloader(owner.Uri, await owner.GetStorageFolder(), owner.FolderAndFileName, progress);
StorageFile localFile = await downloader.Download();
// set duration
MusicProperties musicProperties = await localFile.Properties.GetMusicPropertiesAsync();
owner.Duration = musicProperties.Duration;
// set position
owner.Position = TimeSpan.FromMilliseconds(0);
TouchedFiles.Instance.Add(localFile.Path);
TouchedFiles.Instance.Add(Path.GetDirectoryName(localFile.Path));
Task t = stateMachine.PostEvent(EpisodeEvent.DownloadSuccess);
}
catch (Exception e)
{
Tracer.TraceWarning("EpisodeStateDownloading.OnEntry(): error downloading {0}. {1}", owner.Uri, e);
}
Task task = stateMachine.PostEvent(EpisodeEvent.DownloadFail);
}